Core: Codestyle clean-up

"pl"->"player"

 Note: codestyle methods needs maintained, Player* player.
still to do properly clean-up chat.cpp.

src/server/game/Entities/Object/Object.cpp

@@ -780,13 +780,13 @@ void Object::ClearUpdateMask(bool remove)
     }
 }
 
-void Object::BuildFieldsUpdate(Player* pl, UpdateDataMapType& data_map) const
+void Object::BuildFieldsUpdate(Player* player, UpdateDataMapType& data_map) const
 {
-    UpdateDataMapType::iterator iter = data_map.find(pl);
+    UpdateDataMapType::iterator iter = data_map.find(player);
 
     if (iter == data_map.end())
     {
-        std::pair<UpdateDataMapType::iterator, bool> p = data_map.insert(UpdateDataMapType::value_type(pl, UpdateData()));
+        std::pair<UpdateDataMapType::iterator, bool> p = data_map.insert(UpdateDataMapType::value_type(player, UpdateData()));
         ASSERT(p.second);
         iter = p.first;
     }